Quote:

Quote:

Collector kits start at $115 in MS and $150 in SS - that's for 2 collectors including your choice of transition cones.
http://www.coneeng.com/exhaust_system_kits.html



plus a week of welding.

bet there's not enough increase to warrant cost and assembly time for 99.9% of racers here because the rest of the head is not tuned for optium results



There are some serious racers on this board. Maybe 99.5% would be more accurate?